Thanks in advance R
users

 

I have time series data
and I need to estimate the parameters involved in three different models for
generalized extreme values

 

Model 1:  a, b,
c are constants.

 

Model 2: a(t)=B0+B1 t,
but  b, c are constants

 

Model 3: c(t)=
Exp(B0+B1 t)  but a, b are constants

 

Where a, b and c are location, scale and
shape parameter respectively; t is time.







Regards 
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